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https://issues.apache.org/jira/browse/PHOENIX-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14221820#comment-14221820
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Hudson commented on PHOENIX-1476:
---------------------------------
FAILURE: Integrated in Phoenix-master #496 (See
[https://builds.apache.org/job/Phoenix-master/496/])
PHOENIX-1476 Immediately open scanner for parallel queries (jtaylor: rev
3f457903840e431c4c785848bfbb4b2737856aff)
* phoenix-core/src/main/java/org/apache/phoenix/iterate/SerialIterators.java
* phoenix-core/src/main/java/org/apache/phoenix/iterate/TableResultIterator.java
> Immediately open scanner for parallel queries
> ---------------------------------------------
>
> Key: PHOENIX-1476
> URL: https://issues.apache.org/jira/browse/PHOENIX-1476
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: James Taylor
> Fix For: 5.0.0, 4.3, 3.3, 3.2.2, 4.2.2
>
> Attachments: PHOENIX-1476.patch
>
>
> Seems like there may be a performance degradation of waiting to open the
> scanner for parallel queries. In particular GROUP BY queries.
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